An email from Texas high school students

Recently, An email has arrived from Texas high school students.
The name of the school is "School of Science & Technology."
They want to prove statistical relationship of blood type and personality.
As a mentor, I am going to give some advice to them.
There seems to be an Asian member in the team.
As you know, topics of blood type and personality are popular in Japan as well as Asia.

6 Awesome Facts "Blood Type O" on YouTube

6 Awesome Facts "Blood Type O" | Personality & Behaviour by Top10 DotCom 6. Confident man 5. Have an ambitious spirit...